Working treasure chests, supporting normal versions, locked, trapped and mimics (kind-of).

1.4: simplified setup
requires latest version of LoG
supports dynamic creation of chests
simplified declaration of chests

1.3: fixed a bug happening on empty levels (thanks to SharinaDarkstar)
includes a darker version of the model/texture
includes proper floor props for the 3 basic wall sets

1.2: added support for breakable chests.

The 3D Model of the treasure chest is copyright of Robin Wood (http://www.robinwood.com), used with permission from the author.